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## org.bouncycastle.crypto.hpke
Class HPKEContextWithEncapsulation

    java.lang.Object
      org.bouncycastle.crypto.hpke.HPKEContext
          org.bouncycastle.crypto.hpke.HPKEContextWithEncapsulation

public class HPKEContextWithEncapsulation
extends HPKEContext

Sender-side `HPKEContext` that additionally carries the octet string produced by the KEM's encapsulation step.

Returned by / / / . The recipient never produces this subclass — the recipient already has the as input to the matching call.

`getEncapsulation()` returns a defensive copy of the encapsulated key for transmission to the recipient (typically prepended to the first ciphertext or carried in a wire-format wrapper such as MLS or OHTTP).

Field Summary

Fields inherited from class org.bouncycastle.crypto.hpke.HPKEContext
`aead, exporterSecret, hkdf, suiteId`

Constructor Summary
`HPKEContextWithEncapsulation(HPKEContext context, byte[] encapsulation)`

Method Summary
`byte[]` | `getEncapsulation()`

Methods inherited from class org.bouncycastle.crypto.hpke.HPKEContext
`expand, export, extract, open, open, seal, seal`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### HPKEContextWithEncapsulation

    public HPKEContextWithEncapsulation(HPKEContext context,
                                        byte[] encapsulation)

Method Detail

### getEncapsulation

    public byte[] getEncapsulation()

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